package com.chuangan.releasetask.Utils;

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;

import javax.net.ssl.SSLContext;
import java.io.*;
import java.net.ConnectException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.KeyStore;
import java.util.*;

/**
 * @Author: jinLong
 * @Date: 2020/11/16 10:52
 * @Version 1.0
 */
public class PayCommonUtil{

        public static String MCH_KEY="4a9f2c433adcc2698ba7704faedeaf82";
        //微信参数配置
        public static String API_KEY="AZboDhWf8Nt40hlA6V7N8eRzQBCXgWWh";
        public static String APPID="wxe5af3d3fd03d0c9f";
        public static String MCH_ID="1527085451";
        //随机字符串生成
        public static String getRandomString(int length) { //length表示生成字符串的长度
            String base = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
            Random random = new Random();
            StringBuffer sb = new StringBuffer();
            for (int i = 0; i < length; i++) {
                int number = random.nextInt(base.length());
                sb.append(base.charAt(number));
            }
            return sb.toString();
        }
        //请求xml组装
        public static String getRequestXml(SortedMap<String,Object> parameters){
            StringBuffer sb = new StringBuffer();
            sb.append("<xml>");
            Set es = parameters.entrySet();
            Iterator it = es.iterator();
            while(it.hasNext()) {
                Map.Entry entry = (Map.Entry)it.next();
                String key = entry.getKey().toString();
                String value = entry.getValue().toString();
                if ("attach".equalsIgnoreCase(key)||"body".equalsIgnoreCase(key)||"sign".equalsIgnoreCase(key)) {
                    sb.append("<"+key+">"+"<![CDATA["+value+"]]></"+key+">");
                }else {
                    sb.append("<"+key+">"+value+"</"+key+">");
                }
            }
            sb.append("</xml>");
            return sb.toString();
        }
        //生成签名
        public static String createSign(String characterEncoding, SortedMap<String, Object> parameters){
            StringBuffer sb = new StringBuffer();
            Set es = parameters.entrySet();
            Iterator it = es.iterator();
            while(it.hasNext()) {
                Map.Entry entry = (Map.Entry)it.next();
                String k = (String)entry.getKey();
                Object v = entry.getValue();
                if(null != v && !"".equals(v)
                        && !"sign".equals(k) && !"key".equals(k)) {
                    sb.append(k + "=" + v + "&");
                }
            }
            sb.append("key=" + API_KEY);
            String sign = MD5Utils.MD5Encode(sb.toString(), characterEncoding).toUpperCase();
            return sign;
        }
        //请求方法
        public static String httpsRequest(String requestUrl, String requestMethod, String outputStr) {
            try {

                URL url = new URL(requestUrl);
                HttpURLConnection conn = (HttpURLConnection) url.openConnection();

                conn.setDoOutput(true);
                conn.setDoInput(true);
                conn.setUseCaches(false);
                // 设置请求方式（GET/POST）
                conn.setRequestMethod(requestMethod);
                conn.setRequestProperty("content-type", "application/x-www-form-urlencoded");
                // 当outputStr不为null时向输出流写数据
                if (null != outputStr) {
                    OutputStream outputStream = conn.getOutputStream();
                    // 注意编码格式
                    outputStream.write(outputStr.getBytes("UTF-8"));
                    outputStream.close();
                }
                // 从输入流读取返回内容
                InputStream inputStream = conn.getInputStream();
                InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
                BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
                String str = null;
                StringBuffer buffer = new StringBuffer();
                while ((str = bufferedReader.readLine()) != null) {
                    buffer.append(str);
                }
                // 释放资源
                bufferedReader.close();
                inputStreamReader.close();
                inputStream.close();
                inputStream = null;
                conn.disconnect();
                return buffer.toString();
            } catch (ConnectException ce) {
                System.out.println("连接超时：{}"+ ce);
            } catch (Exception e) {
                System.out.println("https请求异常：{}"+ e);
            }
            return null;
        }
        //退款的请求方法
        public static String httpsRequest2(String requestUrl, String requestMethod, String outputStr) throws Exception {
            KeyStore keyStore  = KeyStore.getInstance("PKCS12");
            StringBuilder res = new StringBuilder("");
            FileInputStream instream = new FileInputStream(new File("/home/apiclient_cert.p12"));
            try {
                keyStore.load(instream, "".toCharArray());
            } finally {
                instream.close();
            }

            // Trust own CA and all self-signed certs
            SSLContext sslcontext = SSLContexts.custom()
                    .loadKeyMaterial(keyStore, "1313329201".toCharArray())
                    .build();
            // Allow TLSv1 protocol only
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                    sslcontext,
                    new String[] { "TLSv1" },
                    null,
                    SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
            CloseableHttpClient httpclient = HttpClients.custom()
                    .setSSLSocketFactory(sslsf)
                    .build();
            try {

                HttpPost httpost = new HttpPost("https://api.mch.weixin.qq.com/secapi/pay/refund");
                httpost.addHeader("Connection", "keep-alive");
                httpost.addHeader("Accept", "*/*");
                httpost.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
                httpost.addHeader("Host", "api.mch.weixin.qq.com");
                httpost.addHeader("X-Requested-With", "XMLHttpRequest");
                httpost.addHeader("Cache-Control", "max-age=0");
                httpost.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
                StringEntity entity2 = new StringEntity(outputStr , Consts.UTF_8);
                httpost.setEntity(entity2);
                System.out.println("executing request" + httpost.getRequestLine());

                CloseableHttpResponse response = httpclient.execute(httpost);

                try {
                    HttpEntity entity = response.getEntity();

                    System.out.println("----------------------------------------");
                    System.out.println(response.getStatusLine());
                    String text=null;
                    if (entity != null) {
                        System.out.println("Response content length: " + entity.getContentLength());
                        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(entity.getContent()));
                        res.append(text);
                        while ((text = bufferedReader.readLine()) != null) {
                            res.append(text);
                            System.out.println(text);
                        }

                    }
                    EntityUtils.consume(entity);
                } finally {
                    response.close();
                }
            } finally {
                httpclient.close();
            }
            return res.toString();

        }
        //xml解析
        public static Map doXMLParse(String strxml) throws JDOMException, IOException {
            strxml = strxml.replaceFirst("encoding=\".*\"", "encoding=\"UTF-8\"");

            if(null == strxml || "".equals(strxml)) {
                return null;
            }

            Map m = new HashMap();

            InputStream in = new ByteArrayInputStream(strxml.getBytes("UTF-8"));
            SAXBuilder builder = new SAXBuilder();
            Document doc = builder.build(in);
            Element root = doc.getRootElement();
            List list = root.getChildren();
            Iterator it = list.iterator();
            while(it.hasNext()) {
                Element e = (Element) it.next();
                String k = e.getName();
                String v = "";
                List children = e.getChildren();
                if(children.isEmpty()) {
                    v = e.getTextNormalize();
                } else {
                    v = getChildrenText(children);
                }

                m.put(k, v);
            }

            //关闭流
            in.close();

            return m;
        }

        public static String getChildrenText(List children) {
            StringBuffer sb = new StringBuffer();
            if(!children.isEmpty()) {
                Iterator it = children.iterator();
                while(it.hasNext()) {
                    Element e = (Element) it.next();
                    String name = e.getName();
                    String value = e.getTextNormalize();
                    List list = e.getChildren();
                    sb.append("<" + name + ">");
                    if(!list.isEmpty()) {
                        sb.append(getChildrenText(list));
                    }
                    sb.append(value);
                    sb.append("</" + name + ">");
                }
            }

            return sb.toString();
        }




    /**
     * 生成uuid32位
     * @return
     */
    public static String getUUID32(){
        return UUID.randomUUID().toString().replace("-", "").toLowerCase();
    }



}
